CN113182410A - Special-shaped curved surface metal sheet forming device and process - Google Patents
Special-shaped curved surface metal sheet forming device and process Download PDFInfo
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- CN113182410A CN113182410A CN202110532052.3A CN202110532052A CN113182410A CN 113182410 A CN113182410 A CN 113182410A CN 202110532052 A CN202110532052 A CN 202110532052A CN 113182410 A CN113182410 A CN 113182410A
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- special
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- curved surface
- shaped curved
- forming
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- 239000002184 metal Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000005516 engineering process Methods 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 238000003754 machining Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 3
- 238000010923 batch production Methods 0.000 abstract description 4
- 238000007493 shaping process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention belongs to the field of forming of special-shaped curved-surface metal sheets, and particularly provides a device and a process for forming special-shaped curved-surface metal sheets. Also comprises a processing technology. The special-shaped curved surface is formed by the process, the same light mould can be repeatedly processed and used, the production cost is reduced, various technologies used in the forming process are relatively mature, the traditional manual forming is compared, the processing efficiency is high, the multi-point mould forming is compared, the equipment cost is greatly reduced, and the special-shaped curved surface forming process is suitable for various small-batch production.
Description
Technical Field
The invention relates to the technical field of forming of special-shaped curved-surface metal sheets, in particular to a device and a process for forming a special-shaped curved-surface metal sheet.
Background
The common forming method of the special-shaped curved surface metal sheet is manual sheet metal, direct-bending forming and non-mold multipoint forming. The manual sheet metal forming efficiency is low, the working labor intensity is high, the product quality is uncontrollable, and the processing cost is higher and higher along with the continuous increase of the labor cost; the special-shaped metal plate is formed by adopting a mode of replacing a curve with a straight mode, so that the production and processing cost is greatly reduced, the production efficiency is improved, but smooth transition is difficult to achieve on the curved surface, even the curved surface with large radian change cannot be formed, and the curved surface is slowly not received by a high-end designer along with the improvement of aesthetic requirements of people; the non-mold multipoint forming technology can realize the single piece and small batch production of the special-shaped curved surface, the forming quality is controllable, but the investment cost of the existing equipment is huge, so that the equipment cannot be accepted by common enterprises, and the market popularization is not facilitated. Therefore, the market needs to pursue a new and simple process and equipment for realizing the rapid forming of the special-shaped metal sheet, so we propose a special-shaped curved surface metal sheet forming device and process to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a device and a process for forming a metal sheet with a special-shaped curved surface.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a dysmorphism curved surface sheet metal forming device, includes the base, fixed mounting has first pneumatic cylinder on the bottom central point of base puts, the top fixed mounting of the piston rod of first pneumatic cylinder has the workstation, light mould has been placed at the top of workstation, equal fixed mounting has the bracing piece on the top four corners position of base, and the top of four bracing pieces installs same clamping platform, clamping platform's top is provided with two sets of second pneumatic cylinders, and fixed mounting has same clamp on the piston rod of a set of second pneumatic cylinder, and two clamps press from both sides to be fixed with same shaping panel blank, shaping panel blank is located light mould directly over.
Preferably, the number of the second hydraulic cylinders in one group is 3-10.
Preferably, the both sides inner wall of base all rotates and is connected with the screw thread regulation pole, and the equal threaded connection in one side that two screw thread regulation poles are close to each other has the U-shaped board, and the equal fixed mounting in one side that two U-shaped boards are close to each other has the arc grip block, and the equal and first pneumatic cylinder looks block in one side that two arc grip blocks are close to each other.
Preferably, bearings are fixedly mounted on the inner walls of the two sides of the base, and the threaded adjusting rod penetrates through an inner ring of the bearing and is fixedly connected with the inner ring of the bearing.
Preferably, the two sides of the threaded adjusting rods, which are far away from each other, are fixedly provided with hexagon bolts.
Preferably, the two sides of the threaded adjusting rods close to each other are fixedly provided with a stop block.
Preferably, two the equal fixed mounting in one side that the arc grip block is close to each other has a fixture block, the fixed cover in the outside of first pneumatic cylinder is equipped with the shell, the draw-in groove has all been seted up to the both sides of shell, and fixture block and corresponding draw-in groove looks block.
A processing technology of a special-shaped curved surface metal sheet forming device comprises the following steps:
s1: classifying and coding the special-shaped metal curved surfaces required by the same batch according to the curvature;
s2: machining the light mould (4) into a required maximum profile through a CNC machining center;
s3: mounting the molded light mold on a special-shaped curved surface metal sheet molding device;
s4: adjusting the formed plate blank to a proper position;
s5: starting a first hydraulic cylinder to eject, and extruding the formed plate blank into a curved surface by ejection pressure;
s6: and (3) after the production of the same type of curved surfaces or curved surfaces with approximately similar curvatures is finished, taking down the light mould, machining the molded surface with the next curvature grade through the CNC machining center again, and putting the molded surface into the special-shaped curved surface metal sheet forming device again to finish the process until the machining of the molded surface with the minimum curvature is finished.
The invention provides a novel device and a process for forming a metal sheet with a special-shaped curved surface.
The special-shaped curved surface is formed by the process, the same light mould can be repeatedly processed and used, the production cost is reduced, various technologies used in the forming process are relatively mature, the traditional manual forming is compared, the processing efficiency is high, the multi-point mould forming is compared, the equipment cost is greatly reduced, and the special-shaped curved surface forming process is suitable for various small-batch production.
Drawings
FIG. 1 is a schematic top view of a device for forming a metal sheet with a special-shaped curved surface according to the present invention;
FIG. 2 is a schematic structural diagram of a special-shaped curved metal sheet forming device according to the present invention;
FIG. 3 is a schematic side view of a device for forming a metal sheet with a special-shaped curved surface according to the present invention;
FIG. 4 is a schematic three-dimensional structure diagram of a device for forming a metal sheet with a special-shaped curved surface according to the present invention;
fig. 5 is a schematic top view of a clamping assembly of the device for forming a metal sheet with a special-shaped curved surface according to the present invention.
In the figure: 1. a base; 2. ground feet; 3. a first hydraulic cylinder; 4. a lightweight mold; 5. a support bar; 6. clamping the platform; 7. clamping; 8. forming a plate blank; 9. a second hydraulic cylinder; 10. a U-shaped plate; 11. an arc-shaped clamping plate; 12. a clamping block; 13. a card slot; 14. a housing; 15. a bearing; 16. a threaded adjusting rod; 17. a stopper; 18. a hexagon bolt; 19. a work bench.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-5, the special-shaped curved surface metal sheet forming device of this embodiment, including base 1, fixed mounting has first pneumatic cylinder 3 on the bottom central point of base 1 puts, the top fixed mounting of the piston rod of first pneumatic cylinder 3 has workstation 19, light mould 4 has been placed at the top of workstation 19, equal fixed mounting has bracing piece 5 on the top four corners position of base 1, and same clamping platform 6 is installed at the top of four bracing pieces 5, the top of clamping platform 6 is provided with two sets of second pneumatic cylinders 9, and fixed mounting has same clamp 7 on the piston rod of a set of second pneumatic cylinder 9, and two clamps 7 press from both sides and are fixed with same shaping panel blank 8, shaping panel blank 8 is located light mould 4 directly over.
Example two
The embodiment is improved on the basis of the first embodiment:
the number of the group of second hydraulic cylinders 9 is 3-10, the inner walls of two sides of the base 1 are rotatably connected with screw thread adjusting rods 16, one side, close to each other, of each screw thread adjusting rod 16 is in screw thread connection with a U-shaped plate 10, one side, close to each other, of each U-shaped plate 10 is fixedly provided with an arc-shaped clamping plate 11, one side, close to each other, of each arc-shaped clamping plate 11 is clamped with the first hydraulic cylinder 3, the inner walls of two sides of the base 1 are fixedly provided with bearings 15, each screw thread adjusting rod 16 penetrates through the inner rings of the bearings 15 and is fixedly connected with the inner rings of the bearings 15, one side, far away from each other, of each screw thread adjusting rod 16 is fixedly provided with a hexagonal bolt 18, one side, close to each other, of each screw thread adjusting rod 16 is fixedly provided with a stop block 17, one side, close to each arc-shaped clamping plate 11 is fixedly provided with a clamping block 12, and the outer side of the first hydraulic cylinder 3 is fixedly sleeved with a shell 14, the two sides of the housing 14 are both provided with a clamping groove 13, and the clamping block 12 is clamped with the corresponding clamping groove 13.
EXAMPLE III
A processing technology of a special-shaped curved surface metal sheet forming device comprises the following steps:
s1: classifying and coding the special-shaped metal curved surfaces required by the same batch according to the curvature;
s2: machining the light mould 4 into a required maximum profile through a CNC machining center;
s3: mounting the molded light mold 4 on a special-shaped curved surface metal sheet molding device;
s4: adjusting the formed plate blank 8 to a proper position;
s5: starting the first hydraulic cylinder 3 to eject, and extruding the formed plate blank 8 into a curved surface by ejection pressure;
s6: and after the curved surfaces of the same type or approximately similar curvatures are produced, the light mould 4 is taken down, the molded surface of the next curvature grade is processed again through the CNC machining center, and the special-shaped curved surface metal sheet forming device is placed again to complete the process until the processing of the minimum curvature molded surface is completed.
The invention provides a novel device and a process for forming a metal sheet with a special-shaped curved surface.
The special-shaped curved surface is formed by the process, the same light mould can be repeatedly processed and used, the production cost is reduced, various technologies used in the forming process are relatively mature, the traditional manual forming is compared, the processing efficiency is high, the multi-point mould forming is compared, the equipment cost is greatly reduced, and the special-shaped curved surface forming process is suitable for various small-batch production.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A device for forming a metal sheet with a special-shaped curved surface comprises a base (1) and is characterized in that, a first hydraulic cylinder (3) is fixedly arranged at the central position of the bottom of the base (1), a workbench (19) is fixedly arranged at the top of a piston rod of the first hydraulic cylinder (3), a light mould (4) is arranged at the top of the workbench (19), support rods (5) are fixedly arranged at the four corners of the top of the base (1), and the top parts of the four supporting rods (5) are provided with the same clamping platform (6), two groups of second hydraulic cylinders (9) are arranged at the top of the clamping platform (6), and the piston rods of one group of second hydraulic cylinders (9) are fixedly provided with the same clamp (7), and the two clamps (7) clamp and fix the same formed plate blank (8), the formed plate blank (8) is positioned right above the light die (4).
2. A profiled curved sheet metal forming apparatus as claimed in claim 1, wherein the number of said second hydraulic cylinders (9) is 3-10.
3. The forming device for the metal sheet with the special-shaped curved surface according to claim 1, wherein the inner walls of the two sides of the base (1) are rotatably connected with threaded adjusting rods (16), the side, close to each other, of each threaded adjusting rod (16) is connected with a U-shaped plate (10) in a threaded manner, the side, close to each other, of each U-shaped plate (10) is fixedly provided with an arc-shaped clamping plate (11), and the side, close to each other, of each arc-shaped clamping plate (11) is clamped with the first hydraulic cylinder (3).
4. The profiled curved sheet metal forming device of claim 3, wherein bearings (15) are fixedly installed on the inner walls of the two sides of the base (1), and the threaded adjusting rod (16) penetrates through the inner ring of the bearing (15) and is fixedly connected with the inner ring of the bearing (15).
5. The profiled curved sheet metal forming apparatus as claimed in claim 3, wherein a hexagonal bolt (18) is fixedly installed on the side of each of the two threaded adjusting rods (16) away from each other.
6. The profiled curved sheet metal forming apparatus as claimed in claim 3, wherein a stop (17) is fixedly mounted on the side of each of the two threaded adjusting rods (16) adjacent to each other.
7. The forming device of the special-shaped curved metal sheet as claimed in claim 3, wherein a clamping block (12) is fixedly mounted on one side of each of the two arc-shaped clamping plates (11) close to each other, a housing (14) is fixedly sleeved on the outer side of the first hydraulic cylinder (3), clamping grooves (13) are formed in both sides of the housing (14), and the clamping blocks (12) are clamped with the corresponding clamping grooves (13).
8. The processing technology of the profiled curved sheet metal forming device according to any one of claims 1 to 7, characterized by comprising the following steps:
s1: classifying and coding the special-shaped metal curved surfaces required by the same batch according to the curvature;
s2: machining the light mould (4) into a required maximum profile through a CNC machining center;
s3: mounting the molded light mold (4) on a special-shaped curved surface metal sheet molding device;
s4: adjusting the formed plate blank (8) to a proper position;
s5: starting the first hydraulic cylinder (3) to eject, and extruding the formed plate blank (8) into a curved surface by ejection pressure;
s6: and (3) taking down the light mould (4) after the production of the same type of curved surfaces or curved surfaces with approximately similar curvatures is finished, machining the molded surface with the next curvature grade through the CNC machining center again, and putting the molded surface into the special-shaped curved surface metal sheet forming device again to finish the process until the machining of the molded surface with the minimum curvature is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110532052.3A CN113182410A (en) | 2021-05-17 | 2021-05-17 | Special-shaped curved surface metal sheet forming device and process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110532052.3A CN113182410A (en) | 2021-05-17 | 2021-05-17 | Special-shaped curved surface metal sheet forming device and process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113182410A true CN113182410A (en) | 2021-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110532052.3A Pending CN113182410A (en) | 2021-05-17 | 2021-05-17 | Special-shaped curved surface metal sheet forming device and process |
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| Country | Link |
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| CN (1) | CN113182410A (en) |
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| DE4434441A1 (en) * | 1994-09-27 | 1996-03-28 | Daimler Benz Ag | Appts. for prodn. of hollow parts by internal pressure forming process |
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- 2021-05-17 CN CN202110532052.3A patent/CN113182410A/en active Pending
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